Finding the Fourth Proportional to 17,639,731.86, 24,343,516.74 and 9,799,835.68
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Solution
The fourth proportional to 17,639,731.86, 24,343,516.74 and 9,799,835.68 is: 13,524,154.78
Step by Step Solution
- Step 1: Write the proportion equation
17,639,731.86 : 24,343,516.74 = 9,799,835.68 : x - Step 2: Convert to fraction form
17,639,731.86/24,343,516.74 = 9,799,835.68/x - Step 3: Cross multiply
17,639,731.86x = 24,343,516.74 × 9,799,835.68 - Step 4: Simplify right side
17,639,731.86x = 238,562,463,925,329.25 - Step 5: Solve for x
x = 238,562,463,925,329.25/17,639,731.86 - Step 6: Final answer
x = 13,524,154.78
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.